Bottle-cap.



excep tiona HENRY S. BREWINGTON, OF BALTIHORE, MARYLAND.

BOTTLE-GAP.

Specification of Letters Patent.

Application filed August 5, 1907. Serial No. 387,049.

To all whom it may concern:

Beit known that I, HENRYS. Briswmoron, a citizen of the United States, residing at Baltimore city, State of Maryland, have invented certain new and useful Im rove ments in Bottle-Caps, of which the fol owing IS a specification.

My invention relates to an improvement in bott e caps or closures, the primary object being to provide a cap which will ordinarily seal or make an air ti ht closure without the use of a separate paclsing, except in certain cases of goods being bottled under extraordinary high pressure or hi hly charged, it may in instances of this kinil be found advantageous to use a packin such as I have provided and the use of which will be hereinafter explained. The further object of my invention being to eliminate the use of a packing s'e arate from the cap as well as the feature of the packing coming in contact with the contents of the package u on occasions when the use of an additions packing IS made necessary.

It is a well known fact that in the use of cork and similar material as a packin where the packing comes into contact with t- 1e contents of the package, it is necessary to process the cork or treat the packing by some method to prevent the contents from deteriorating by reason of the escape of the gas through the pores of the cork or from becomin contaminated by the materials ofwhich the packing is made. That this may be accomplished, I have rovided a can having a dependingflange w llCl'l is adapter to be pressed,

curled, spun or crimped under the head on a.

bottle head and by this means is secured in lockin contact therewith. s

In the manufacture of my cap I provide a cap made of a single piece of sheet metal, referably of alunnnum, and the packing is ormed entirely from the body portion of the cap, outside of the sa v as to the cost of producing a cap made in t 's manner as compared with others where a separate packing and lining are used, I rovide a cushion formed by a plurality of ayers of the metal by reason of the metal being bent over on itself and this cushion packing so formed will conform to the various shapes and degrees of imperfections of the bottle heads in such a manner as to insure a proper closure;

.showin I have exhibited two forms of caps, each made from a single iece of sheet metal, both being practically tie same, producing the same result save that a packing r' may be used in connection with the mod'fl fi form to an advantage where the imperfections and variations of the different bottle heads are such as to occasion its use, that these variations and imperfections may be overcome and thereb prevent the bottles from becoming use ess and the financial loss occasioned thereb It will be found, however, that there wi 1 be very little requirement as to the use of the packing, save on the occasions hereinabove enumerated, as the metal packing formed from the ca when the cap is placed on a bottle heat and pressure applied will become compressed, and compressing the packing it will cover the beadon the bottle head and extend beyond the inward portion thereof and embrace the inner wall of the bottle neck;.and by a similar degree of extension it will be pressed closely against the exterior wall of the bead on the bottle head, thereby providing the several oints of sealin contact between the pack- .1n and the bea on the bottle head.

Vith the foregoing objects in view, my invention consists in certain novel features of construction and combination of arts which will be hereinafter describe pointed out in the claims.

In the accompanyin drawings Figure 1, is a perspective view of the cap; Fig. 2, is a cross-section view of the cap shown in Fig. -1, the packing ring secured therein; Fig. 3, 1s a vertical cross-section view, showing the cap and bottle head; Fig. 4, is a erspective view of a modified form of ca ig. 5, is a perspective view of a modifigd form of cap; Fig. 6, is a cross-section view of the cap shown in Fig. 5; Fig. 7, is a vertical cross section view of the modified form of cap secured on a bottle head; Fig. 8, is a erspective view of the packin ring, and ig. 9, is a cross section view of the modified form of cap, showing the packing ring secured therein. j

A, is a metallic ca made from a single iece of sheet meta 1, is 9. depending ange; 2, is a circumferential groove in the flange located near the top portion thereof; 3 is a circumferential bead formed on the Patented Aug. 4, 1908.

and

i f r I stance it is formed mteriorly wholly withi Q t V seeped outer top edge of the ca above the oove 2. The metal packin 4 ormed by t e walls of the groove? w 'ch walls are extended inwardly so when the cap is placed upon the bottle head B, they will extend transversely across the bead 5 of the bottle head, and when downward pressure is applied to the cap the walls will collapse and be pressedtogether so as to conform to the bead 5 of the bottle head, the double thickness of metal forming the walls constituting a cushion packing, formin a sealing contact with the head 5 of the bottle head B, the depending flange 1 being pressed or s on under thebead 5, as shown in Fig. 3, w ile the downward pressure is applied to the cap, so that when t e downward pressure on the cap is released the sealing contact between the acking 4 and the head 5 on. the bottle head is retained. The same may be said as to the use of the form of ca as shown in Fig. 4, save that the depen 'ng flange 6, which is crimped in this style of cap is squeezed or crimped under the bead 5, on the bottle head B. In all other respects the construction and the method of securing it on the bottle head are the same as have ust been described in reference to the cap having a lain depending flange.

n the modified form of cap, as shown in Figs. 5, 6, 7 and 9; C, re resents the cap, made from a single piece 0 sheet metal, and in construction 18 but a reversal of groove forming the packing. .In Fig. 1, the groove is formed exteriorly within the dc ending flange, while in the modified form s own in the figure above referred to, the packing is formed wholly within the body portion in themanner now about to be described. The ca C is rovided with a depression 7, the we ls of the said depression at the extreme bottom portion thereof are then expanded forming a circumferential groove 8, with the wall 9 of the groove 8 flash against the inner wall of the depending flange 10. Before this process of expanding the depression 7, the packing ring 11 is secured within the cap and around the depression, so that when the expansion takes place the packing ring will occupy the space 12, as shown in Figs. 6 and 9. The method and manner of securing the' cap on the bottle head are the same as has already been described, the only difference in thetwo respective caps being that in'the cap first described the packin is formed exterrorly within the flange and in the second inn the body ortion.

I have s own a packing ring (which ring may be made of any suitable material) in con'unction with the modified form just doscri ed; it is conceded that a packing ring may also be used in conjunction with the cap first described as may be desired, under the conditions hereinbefore set forth.

Slight changes might be resorted to in th form and arrangement of the several parts herein described, without departing from the spirit and sco e of my invention, hence I do notdesire to imit myself to. the exact construction as herein set forth; but,

Having fully described my invention, what I claim as new and desire to secure by Letters Patent, is: I

'1. A bottle cap made from a single piece of sheet metal, comprising a depending flange and a packing formed from the depending flange, substantially as described.

- 2. A-bottle cap made from a single piece of sheet metal, comprisin a depending flange, .provided with a circum erential roove therein forming a packing within t e cap, substantially as described.

3. A bottle cap made from a single piece of sheet metal, comprising 9. depending flange provided with a circumferential groove therein, the portion of the said depending flange above the said groove forming a circumferential head on the outer edge of the forming a packing within the cap, substantially as described.

4. A bottle cap and a packing formed therein, made from a single piece of sheet metal, substantiall as described.

5. A bott e cap made from a single piece of sheet metal provided with :1. depending flange a packing formed wholly within the cap and being a part thereof, the said packing adaptbead of a bott e mouth, substantially as described.

6. A bottle cap comprising a depending flange and a packing made from a single piece of sheet metal, substantially as de-' scribed.

7. A bottle cap inade from a single piece of sheet metal, comprising a depending flange provided with a circumferential roove there in, a packing ringsecured wit in the said groove, the said groove adapted to be compressed thereby forming a packing within the cap, the said packing ring affording an additional cushion to the packing so formed for the purpose of overcoming the variations. and imperfections of a bottle head, substantially as described.

8. A bottle cap made from a single piece of sheet metal providedwith 2. depending flan e a packing formed wholly within the cap a?! being a art thereof, a packing ring secured within tie said packing, the said packing adapted to be compressed with the packing ring therein contained when secured on the head of a bottle mouth, substantially as described.

said cap and adjacent to the said groove, thewalls of the said groove when compresseded to be com ressed when secured on the.

9. A bottle 05 comprising a (ieYending flange provided with qcircumferentm groove therein, the said geeye adapted to be compressed thereb orming a packing Within 5 the ca where y a Complete cap and packing is ormed from a single iece of the same material, substantially es escribed.

, J. ALEX. HILLEABY, J12, g RICHARD PIERCE. 

